User blog comment:Littionary/Second Gym Badge, Blimber City/ I LOST ALL MY PROGRESS?!?/@comment-31800919-20171020213301

Welp auto-save is off by default in fear of players accidentally starting a new game and deleting the old save. So the next time you log back to the game it will be the last save you made. To check the auto-save on go to Menu on the side and go to option you can see auto-save there and enable it.